<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>重力点</title>
  <style>
    body {
      padding: 0;
      margin: 0;
      background: #222;
      overflow: hidden;
      -webkit-user-select: none;
      -moz-user-select: none;
      -o-user-select: none;
      -ms-user-select: none;
      user-select: none;
    }
    canvas {
      position: absolute;
      top: 0;
      left: 0;
    }
    .info {
      position: absolute;
      top: 0;
      left: 0;
      padding: 5px 15px;
      color: #eee;
      font-size: 13px;
      background-color: rgba(0, 0, 0, .5);
    }
  </style>
  <script src="../RequestAnimationFrame.js"></script>
  <script src="../Tween.js"></script>
  <script src="../stats.min.js"></script>
</head>
<body>
  <canvas id="c"></canvas>
  <div class="info">点击添加重力点</div>
<!-- <script src="./index.js"></script> -->
<script src="./learnRepeat.js"></script>
</body>
</html>